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Subject[PATCH 4.13 059/110] SMB3: handle new statx fields
Date
4.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Steve French <smfrench@gmail.com>

commit 6e70e26dc52be62c1f39f81b5f71fa5e643677aa upstream.

We weren't returning the creation time or the two easily supported
attributes (ENCRYPTED or COMPRESSED) for the getattr call to
allow statx to return these fields.

Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Acked-by: Jeff Layton <jlayton@poochiereds.net>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
fs/cifs/inode.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)

--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -234,6 +234,8 @@ cifs_unix_basic_to_fattr(struct cifs_fat
fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime);
fattr->cf_mtime = cifs_NTtimeToUnix(info->LastModificationTime);
fattr->cf_ctime = cifs_NTtimeToUnix(info->LastStatusChange);
+ /* old POSIX extensions don't get create time */
+
fattr->cf_mode = le64_to_cpu(info->Permissions);

/*
@@ -2024,6 +2026,19 @@ int cifs_getattr(const struct path *path
stat->blksize = CIFS_MAX_MSGSIZE;
stat->ino = CIFS_I(inode)->uniqueid;

+ /* old CIFS Unix Extensions doesn't return create time */
+ if (CIFS_I(inode)->createtime) {
+ stat->result_mask |= STATX_BTIME;
+ stat->btime =
+ cifs_NTtimeToUnix(cpu_to_le64(CIFS_I(inode)->createtime));
+ }
+
+ stat->attributes_mask |= (STATX_ATTR_COMPRESSED | STATX_ATTR_ENCRYPTED);
+ if (CIFS_I(inode)->cifsAttrs & FILE_ATTRIBUTE_COMPRESSED)
+ stat->attributes |= STATX_ATTR_COMPRESSED;
+ if (CIFS_I(inode)->cifsAttrs & FILE_ATTRIBUTE_ENCRYPTED)
+ stat->attributes |= STATX_ATTR_ENCRYPTED;
+
/*
* If on a multiuser mount without unix extensions or cifsacl being
* enabled, and the admin hasn't overridden them, set the ownership

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